12053784 ÷ 859 
Our goal is to divide 12053784 by 859.

Let's proceed to step 1:
859 goes into 1 0 times with a remainder of 1.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Bring next digit (2) of the dividend behind the 1 and repeat the process: 12 / 859

Going ahead to step 2:
12 divided by 859 is 0 with a remainder of 12.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 12, we end up with 12.
Bring next digit (0) of the dividend behind the 12 and repeat the process: 120 / 859

Moving on to step 3:
The number 859 fits into 120 0 times, leaving a remainder of 120.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 120, we end up with 120.
Include the next digit (5) from the dividend after 120, then repeat: 1205 / 859

Moving on to step 4:
859 can be fit into 1205 1 times, resulting in a remainder of 346.
The next digit of our result is 1. 
Result so far: 1.0
Deduct 859 from 1205 and we're left with 346.
Bring next digit (3) of the dividend behind the 346 and repeat the process: 3463 / 859

Moving on to step 5:
859 goes into 3463 4 times with a remainder of 27.
Record the quotient 4 as the next digit in the result. 
Result so far: 14.0
Deduct 3436 from 3463 and we're left with 27.
Take the next digit (7) from the dividend and append it to 27, then repeat: 277 / 859

Let's proceed to step 6:
When dividing 277 by 859, we get 0 with a remainder of 277.
Record the quotient 0 as the next digit in the result. 
Result so far: 140.0
Subtract 0 from 277 to get 277.
Fetch the next digit (8) from the dividend, attach it to 277 and continue: 2778 / 859

Step 7:
When dividing 2778 by 859, we get 3 with a remainder of 201.
Put 3 as the next digit of the answer. 
Result so far: 1403.0
If we subtract 2577 from 2778, we get 201.
Fetch the next digit (4) from the dividend, attach it to 201 and continue: 2014 / 859

Moving on to step 8:
The number 859 fits into 2014 2 times, leaving a remainder of 296.
Use 2 as the next digit of our solution. 
Result so far: 14032.0
The remainder is 296 after subtracting 1718 from 2014.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2960, and continue the process.

Step 9:
859 goes into 2960 3 times with a remainder of 383.
Put 3 as the next digit of the answer. 
Result so far: 14032.3
If we take 2577 away from 2960, we end up with 383.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3830, and continue the process.

Going ahead to step 10:
The number 859 fits into 3830 4 times, leaving a remainder of 394.
Record the quotient 4 as the next digit in the result. 
Result so far: 14032.34
If we subtract 3436 from 3830, we get 394.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3940, and continue the process.

On to step 11:
859 can be fit into 3940 4 times, resulting in a remainder of 504.
Record the quotient 4 as the next digit in the result. 
Result so far: 14032.344
If we subtract 3436 from 3940, we get 504.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5040, and continue the process.

The quotient of the division is 14032.344, and the remainder is 0.0504.